20472+4225

  • Unique Name: 20472+4225BOT 4AC
  • RA: 20 47 09.92
  • Dec: +42 24 35.4
  • Discoverer: BOT
  • Discoverer Number: 4
  • Components: AC
  • First year: 1892
  • Last year: 2012
  • Observations: 9
  • First position angle: 16
  • Last position angle: 16
  • First separation: 105.7
  • Last separation: 105.7
  • Mag first component: 7.43
  • Mag second component: 9.94
  • Spectral type: B7V
  • Primary proper motion RA: 5
  • Primary proper motion DEC: -1
  • Secondary proper motion RA: 6
  • Secondary proper motion DEC: -1
  • Durchmusterung: +41 3885
  • Notes: